Question: what book is mark twain famous for?
Answer: Tom Sawyer Abroad
Other answers: Mark Twain's (Burlesque) Autobiography and First Romance, A Connecticut Yankee in King Arthur's Court, Pudd'nhead Wilson, Autobiography of Mark Twain, Tom Sawyer, Detective, The Adventures of Tom Sawyer, Personal Recollections of Joan of Arc, The Prince and the Pauper, Adventures of Huckleberry Finn